RosettaCodeData/Task/Ackermann_function/Clojure/ackermann_function.clj

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Clojure
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2013-04-09 00:46:50 -07:00
(defn ackermann [m n]
(cond (zero? m) (inc n)
(zero? n) (ackermann (dec m) 1)
:else (ackermann (dec m) (ackermann m (dec n)))))